{"id": 3867, "prediction_verbatim": "Euro-denominated stablecoin trading volume will increase slightly in the next 48h.", "created_at": "2026-04-22 11:02:31", "direction": null, "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-24 11:09:27", "chain_hash": "755f98b1d82f86e915f5ef4bfe004262692a2c09f10ee9362bf40f34d4db3d57", "chain_tx": "39J3j6VwkNtG4o4UBKNRoyD3AmN4dKrsJa9X2o5FwaBNCRNFh1Tejb58qbJVxhiYyTVdAeR7Cez9iVWqQVvXreWX", "verify": "sha256(f'{prediction_verbatim}|{created_at}|{id}') must equal chain_hash, and the Solana tx memo must read 'workshop:pred:<id>:<chain_hash>' with a timestamp BEFORE resolved_at. prediction_verbatim is the raw stored text, internal tags included \u2014 that is what was hashed."}